1. Product Overview

The Schneider Electric TSXPSY5520M Power Supply Module is an industrial PLC power supply designed for the Modicon Premium automation platform. It provides the DC power required by compatible PLC racks and their associated automation modules, helping maintain stable operation of the control system.

In an industrial automation installation, the power supply is a fundamental component of the PLC architecture. The processor, input and output modules, and other rack-mounted devices depend on an appropriate power source to operate correctly. The TSXPSY5520M converts an external DC supply into the secondary power outputs required by the supported Modicon Premium rack configuration.

The module accepts a nominal input voltage of 24–48 V DC, with a specified operating input range of 19.2–60 V DC. It provides a total useful secondary power of 50 W, including a 5 V DC output rated at 7 A and a 24 V DC relay supply rated at 0.8 A. These outputs support the power requirements of compatible rack components within the applicable system limits.

The TSXPSY5520M is designed for use with the Modicon Premium PLC platform and is installed in the designated power-supply position of a compatible rack. Correct selection requires consideration of the rack configuration, total module power consumption, input voltage, and the requirements of the installed automation equipment.

For industrial facilities maintaining legacy PLC systems, this module may be required when an existing power supply fails or when spare parts are needed to support continued operation. Because the TSXPSY5520M has been discontinued, buyers should verify the complete model number, product condition, and replacement options before purchasing.

2. Technical Specifications

Dimensions are provided according to the supplied product information. Electrical specifications should be checked against the applicable technical documentation and the installed system before commissioning.

3. Function and Working Principle

The TSXPSY5520M supplies the secondary DC power required by compatible Modicon Premium rack components. Its operation can be understood through the following functions.

3.1 DC Input Power Conversion

The module receives external DC power within its specified input range and converts it into the secondary outputs required by the PLC rack.

The nominal input range is 24–48 V DC, with an allowable specified range of 19.2–60 V DC. The input supply must be selected and protected appropriately for the installation.

Correct input voltage is essential. Operating outside the specified range can cause abnormal behavior, power interruptions, or damage to the equipment.

3.2 5 V DC Output for Rack Electronics

The module provides a 5 V DC secondary output rated at 7 A, corresponding to 35 W. This output supplies compatible rack electronics according to the Modicon Premium system design.

The PLC processor and other supported modules depend on a suitable power supply to perform their control functions. If the 5 V DC output is unstable or insufficient for the installed load, the rack may experience intermittent faults or fail to start correctly.

The total current drawn by all installed modules must remain within the applicable power budget.

3.3 24 V DC Relay Supply

The TSXPSY5520M also provides a 24 V DC relay supply rated at 0.8 A and 19 W.

This output supports the relay-power requirements specified for compatible system components. It should not be treated as a general-purpose field power supply without confirming the load requirements and permitted use.

The actual power available to the rack depends on the distribution of the connected loads and the limits specified for the module.

3.4 Protection Functions

The module includes protection against secondary-circuit overload, overvoltage, and short circuits. Its primary circuit uses an internal 5 A time-delayed fuse.

These protections help reduce the risk of damage from certain electrical faults. They do not eliminate the need for appropriate upstream circuit protection, correct wiring, and proper system grounding.

A fault in the power supply, an overloaded rack, or a short circuit in a connected component should be investigated before replacing the module.

3.5 Status Monitoring

The module includes a green OK indicator for voltage presence and a red BAT indicator associated with a battery fault indication.

These indicators help maintenance personnel assess the module’s reported status. Their meaning should be interpreted using the applicable product documentation and in conjunction with other PLC diagnostics.

An illuminated indicator alone does not prove that every output is operating correctly under load.

4. Role in Industrial Automation Systems

The TSXPSY5520M plays a supporting but essential role in a Modicon Premium PLC installation.

Powering rack components: It provides the specified secondary power outputs required by compatible PLC rack electronics.

Supporting processor operation: The PLC processor relies on a suitable supply to execute the control program and coordinate the automation system.

Maintaining I/O availability: Compatible input and output modules require stable power to process signals and perform their intended functions.

Supporting system stability: A correctly sized power supply helps prevent power-related faults caused by an inadequate supply capacity or unsuitable input voltage.

Providing diagnostic indications: The module’s status LEDs assist maintenance personnel in identifying certain power or battery-related conditions.

Supporting legacy equipment maintenance: A correctly specified replacement can help restore an existing Modicon Premium rack when the original power supply fails.

The power supply must be evaluated as part of the complete PLC system. Selecting a module solely by its physical size or nominal wattage is insufficient; the rack type, output requirements, input voltage, and system configuration must also be checked.

5. Industrial Applications

5.1 Manufacturing and Assembly Lines

Manufacturing equipment often relies on PLCs to coordinate motors, sensors, actuators, and machine sequences. The TSXPSY5520M can support the power requirements of a compatible Modicon Premium rack used in these applications.

A properly powered controller can execute its configured logic and manage connected modules as intended. Power-supply condition is therefore an important factor in the reliability of production equipment.

5.2 Packaging Machinery

Packaging systems use PLCs to coordinate filling, sealing, labeling, conveying, and other sequential operations.

In a compatible installation, the TSXPSY5520M supplies the rack power needed by the processor and supported modules. Stable power helps the control system operate consistently, although the overall performance also depends on program quality, field wiring, and connected equipment.

5.3 Material Handling Systems

Conveyor systems and automated material-handling equipment use PLCs to coordinate transport sequences and monitor equipment status.

The power supply supports the rack electronics that execute the programmed control logic. If the module fails or its outputs become inadequate, the PLC may experience power-related faults that affect the larger system.

5.4 Process Automation

Industrial process systems may use Modicon Premium PLCs for monitoring and control of pumps, valves, instruments, and auxiliary equipment.

The TSXPSY5520M can supply a compatible rack in such installations. The selected power supply must meet the actual load requirements of the processor and all installed modules.

5.5 Utilities and Facility Equipment

Legacy PLC installations can be found in water-treatment equipment, pumping stations, building services, and industrial utility systems.

For facilities continuing to operate compatible Modicon Premium equipment, maintaining a suitable spare power supply can help reduce recovery time following a hardware failure.

5.6 Legacy PLC Maintenance

The TSXPSY5520M is particularly relevant to maintenance teams responsible for older Modicon Premium systems.

When an existing power supply fails, sourcing the same model may help preserve the established rack configuration. Before installation, however, technicians should inspect the rack, verify the external input supply, and check for short circuits or excessive module loads that could have contributed to the original failure.

6. Installation and System Integration

Correct installation is essential to the reliable operation of the TSXPSY5520M and the PLC rack it supplies.

6.1 Confirm Rack Compatibility

The TSXPSY5520M is designed for the Modicon Premium automation platform. Confirm that the installed rack supports this power-supply model and that the module is placed in the designated power-supply position.

The module is a double-format unit. Check the rack’s mechanical arrangement and installation instructions before fitting the replacement.

6.2 Verify the External DC Supply

Check that the external supply is compatible with the module’s specified input range of 19.2–60 V DC.

The nominal operating range is 24–48 V DC. Verify the supply voltage at the module terminals and confirm that the upstream power source can handle the expected load.

Appropriate upstream protection and switching equipment should be installed according to the system design and applicable electrical requirements.

6.3 Calculate the Rack Power Budget

Before commissioning, calculate the power requirements of the processor and all installed modules.

The TSXPSY5520M provides a total useful secondary power of 50 W, with separate 5 V DC and 24 V DC outputs. Each output has its own rating, so the available power should not be treated as an unrestricted 50 W supply at either voltage.

Check the power consumption of the complete rack against the module’s output limits. Allow for the requirements of all installed components rather than estimating the load from the CPU alone.

6.4 Check Wiring and Protection

Inspect the external DC wiring, terminal connections, upstream protective devices, and relevant grounding arrangements.

Loose terminals, incorrect polarity, damaged conductors, or unsuitable protective devices can cause power interruptions or create safety risks. Installation and electrical checks should be carried out by qualified personnel with the equipment isolated as required.

6.5 Monitor the Status Indicators

After installation, check the OK and BAT indicators according to the manufacturer’s documentation.

If the module does not indicate normal status, verify the input supply, wiring, rack configuration, and connected loads before concluding that the replacement module is defective.

6.6 Test the Complete PLC System

Once the power supply is installed, verify that the PLC processor starts correctly and that the installed modules operate normally.

Check for diagnostic messages, unexpected resets, communication faults, or other symptoms of unstable power. The system should be returned to production only after the relevant checks and operating tests have been completed.

7. Compatible System Components

The following component categories may be used in a Modicon Premium installation incorporating the TSXPSY5520M. Specific compatibility depends on the rack model and system configuration.

This table describes general component roles. It does not mean that every module can be combined in a single rack or that the TSXPSY5520M can supply all field devices directly. Always verify the requirements of the complete installation.

8. Recommended Alternative and Replacement Models

When replacing a discontinued power supply, the most important factors are the rack architecture, input-voltage range, output ratings, physical arrangement, and the requirements of the installed modules.

Schneider Electric identifies the BMXCPS3020 as a recommended replacement candidate for the TSXPSY5520M. The BMXCPS3020 is a Modicon X80 power supply with a 24–48 V DC input range and a 31.2 W output rating.

It is not a direct plug-in replacement for the Modicon Premium module. The newer product belongs to a different platform, and its output rating differs from the TSXPSY5520M’s 50 W total useful secondary power. A replacement decision must therefore include a review of the rack, connected modules, output requirements, and the intended migration architecture.

If the existing Modicon Premium rack must remain in service, a compatible legacy power supply may be more appropriate than immediately moving to another platform. Verify the exact product reference and all relevant electrical requirements before substitution.

9. Key Advantages

Dual Secondary Power Outputs

The TSXPSY5520M provides separate 5 V DC and 24 V DC relay-supply outputs for supported system requirements. This arrangement is designed around the power needs of compatible Modicon Premium rack components.

50 W Total Useful Secondary Power

Its specified 50 W total useful secondary power supports suitable rack configurations when the combined load remains within the applicable output limits.

Wide Specified DC Input Range

The module accepts a specified input range of 19.2–60 V DC, with a nominal 24–48 V DC operating range. This allows integration with compatible industrial DC supply arrangements.

Integrated Protection Functions

Primary-circuit fusing and secondary overload, overvoltage, and short-circuit protection help protect the module under specified fault conditions.

Local Status Indication

The OK and BAT LEDs provide local diagnostic information that can assist maintenance personnel during troubleshooting.

Value for Legacy System Maintenance

For facilities operating Modicon Premium PLC equipment, sourcing the correct power supply can help restore a failed rack and support continued operation while longer-term modernization is evaluated.

10. Technical FAQs

Q1: What is the Schneider TSXPSY5520M?

The TSXPSY5520M is a DC power supply module for the Schneider Electric Modicon Premium PLC platform. It supplies secondary power to compatible rack components.

Q2: What is the input voltage range?

The module has a nominal input range of 24–48 V DC and a specified input range of 19.2–60 V DC. The external power source must meet the applicable requirements.

Q3: What is the total output power?

The TSXPSY5520M has a total useful secondary power rating of 50 W. Its specified outputs include 35 W at 5 V DC and 19 W at 24 V DC for the relay supply. Because the outputs have separate ratings and operating limits, the system load must be assessed against the manufacturer’s specifications rather than treating these figures as unrestricted simultaneous output capacity.

Q4: What are the dimensions and weight?

The supplied dimensions are 260 × 180 × 95 mm, and the listed weight is 0.89 kg. Confirm the measurements of the actual product and any packaging before arranging installation or shipment.

Q5: Is the TSXPSY5520M discontinued?

Yes. Schneider Electric lists the TSXPSY5520M as discontinued in its product information. Lifecycle and service dates may vary by market, so check the applicable regional information when planning maintenance.

Q6: What is the recommended replacement?

Schneider Electric identifies BMXCPS3020 from the Modicon X80 family as a recommended replacement candidate. It is not a direct plug-in replacement, so system compatibility and output requirements must be assessed before migration.

Q7: Can another Modicon Premium power supply be used instead?

Possibly, but not every power supply in the same product family is interchangeable. Confirm the input range, output ratings, rack compatibility, physical format, and total module power requirements before choosing an alternative.

Q8: What can cause the PLC rack to lose power?

Potential causes include an unsuitable external DC supply, loose wiring, a blown internal fuse, an overloaded rack, a short circuit, or a defective power supply. Troubleshooting should include checks of the complete power path and connected loads.

Q9: What should be checked when purchasing a replacement?

Verify the complete model number, condition, input and output ratings, mechanical format, and compatibility with the installed rack. For used or refurbished products, ask about functional testing and warranty terms.

Q10: What information should be provided when requesting a quotation?

Provide the model number TSXPSY5520M, quantity, required condition, delivery destination, and any testing or warranty requirements. If the module is intended to restore a working PLC rack, supplying the rack model and system configuration can help prevent ordering errors.

11. Procurement and Replacement Considerations

Because the TSXPSY5520M is discontinued, careful procurement is important for facilities maintaining legacy PLC equipment.

Verify the part number. Confirm that the product label reads TSXPSY5520M and that the description identifies a Modicon Premium power supply.

Confirm product condition. New old stock, used, and refurbished modules may have different service histories. Confirm the condition and warranty before ordering.

Check electrical ratings. Verify the input range and the 5 V DC and 24 V DC output requirements against the installed rack and its modules.

Request testing information. For critical applications, ask whether the unit has been inspected and functionally tested. Clarify which functions were tested and what warranty coverage applies.

Inspect the existing system. If the original module failed, investigate the input supply, wiring, connected loads, and possible short circuits before installing another unit.

Plan replacement carefully. The BMXCPS3020 is a recommended candidate from a different platform, not a direct replacement that can simply be inserted into the existing rack. Evaluate any proposed migration as an engineering change.

Maintain spare-parts records. Keep the complete part number, rack configuration, power budget, and maintenance history available to help future technicians identify suitable replacements.

12. Conclusion

The Schneider Electric TSXPSY5520M Power Supply Module is designed to supply secondary DC power to compatible Modicon Premium PLC racks. With a specified input range of 19.2–60 V DC and a total useful secondary power rating of 50 W, it supports the power requirements of appropriately configured legacy industrial automation systems.

For maintenance engineers, system integrators, and industrial spare-parts buyers, confirming the model number, input voltage, output ratings, rack compatibility, and product condition is essential before procurement. Since the TSXPSY5520M has been discontinued, a reliable replacement plan should also consider spare availability and the long-term lifecycle of the existing PLC installation.

Choosing the correct power supply and verifying the complete rack load helps reduce avoidable faults and supports the continued operation of established industrial control systems.